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238-25x=2x-221
We move all terms to the left:
238-25x-(2x-221)=0
We get rid of parentheses
-25x-2x+221+238=0
We add all the numbers together, and all the variables
-27x+459=0
We move all terms containing x to the left, all other terms to the right
-27x=-459
x=-459/-27
x=+17
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